heavy-duty
"heavy-duty" is a 9-letter English headword indexed on PlainSpell.
The verdict
“heavy-duty” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Designed to withstand hard usage without breaking; hard-wearing.
Corpus desk
Index EN-heavy-duty · heavy-duty · English
heavy-duty · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "H" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | heavy-duty |
| Language | English |
| Part of speech | Adjective |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “heavy-duty” in English
Rare enough to double-check
heavy-duty is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.
Zero misspellings are on record for heavy-duty in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is heavy-duty, spelled H-E-A-V-Y---D-U-T-Y.
Definition
- 1Designed to withstand hard usage without breaking; hard-wearing.
- 2Very serious, intense, or demanding.
Recorded use
Wiktionary examplesThese source excerpts show how heavy-duty appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The cars are constructed to the normal B.R. standard coach specifications and mounted on heavy-duty B.R.2 type bogies with B.T.R. rubber vibro-insulators on the bearing springs.
Stewart has 18 years of programming experience, and he's one of only a handful of people at the St. Petersburg computer consulting company who can handle such heavy-duty programming. Such skills can earn a programmer of Stewart's caliber about $70,000 a year.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.